Math, asked by inglevijay276, 9 days ago

3.If the ratio of Diameter of circle to its area is 2/5 then find its Diametes?

Answers

Answered by susheeladangi446

1

Answer:

D=10

Step-by-step explanation:

Circumference=2πr

area=πr²

C:A = 2:5

2πr:πr² = 2:5

2:r= 2:5 (cross multiply)

2r=10

and 2r is diameter

so D=10 cm

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